<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>点击Div，显示其innerHTML</title>
    <style>
      body {
        font: 12px/1.5 Tahoma;
      }

      #outer {
        width: 500px;
        margin: 0 auto;
      }

      #outer div {
        border: 2px solid #ccc;
        padding: 10px;
        margin-bottom: 10px;
        text-indent: 2em;
        cursor: pointer;
      }
    </style>
  </head>

  <body>
  </body>
  <script>
    var oDiv = document.querySelector("#outer").querySelectorAll("div");
    for (let i = 0; i < oDiv.length; i++) {
      oDiv[i].onclick = function () {
        alert(this.innerHTML);
      };
    }
  </script>
</html>
